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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
//Spread operator
"use strict";

var numbers = [1, 2, 3, 4];
var newNumbers = [].concat(numbers, [5, 6]);

console.log(newNumbers);

//Rest Operator

function rest() {
  for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  return args.reduce(function (awal, akhir) {
    return awal + akhir;
  });
}

console.log(rest(1, 2, 3));
</script>


<script id="jsbin-source-javascript" type="text/javascript">//Spread operator
const numbers = [1,2,3,4]
const newNumbers = [...numbers, 5,6]

console.log(newNumbers)

//Rest Operator

function rest(...args) {
  return args.reduce((awal, akhir) => {
    return awal + akhir
  })
}

console.log(rest(1,2,3))</script></body>
</html>